<?php
$input = 'あaいb';
$bytes_length = 10;
$encoding = "ISO-2022-JP";
$converted_str = mb_convert_encoding($input, $encoding, mb_internal_encoding());
$cut_str = mb_strcut($converted_str, 0, $bytes_length, $encoding);
$reconverted_str = mb_convert_encoding($cut_str, mb_internal_encoding(), $encoding);
var_dump($reconverted_str);
- Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.14 - 8.1.33, 8.2.1 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
- string(4) "あa"
- Output for 8.1.0 - 8.1.13, 8.2.0
- string(5) "あa?"
preferences:
96.75 ms | 407 KiB | 5 Q